The Mechanical Equivalent of Heat Is 1 Cal = 4

question 37

Multiple Choice

The mechanical equivalent of heat is 1 cal = 4.18 J.A heating coil, connected to a 120-V source, develops 60,000 calories in 10 minutes.The current in the coil is:

• A)0.83 A
• B)2.0 A
• C)3.5 A
• D)500 A
• E)2100 A

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Definitions:

Price Increase

A rise in the cost of goods or services, affecting the purchasing power of consumers.

Widgets

A generic term often used to refer to any hypothetical manufactured good or product.

Sales Decrease

A situation in which the quantity of products sold by a company or in a market declines.

Demand Curve

A graph showing the relationship between the price of a good and the amount that consumers are willing and able to purchase at different prices.